[#43529] document serving NC from subfolder via docker

[individual-it]

document a "simple" way to serve NC from a subfolder (/html) with the existing docker containers

[kiranparajuli589]

lgtm 👍 few minor English nitpicks.

[github-actions]

JS Code Coverage

Coverage after merging subfolder into master will be

86.16%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src
adminSettings.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–25, 3–9
bootstrap.js	0%	0%	0%	0%	1, 1–7
dashboard.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–27, 3–9
personalSettings.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–25, 3–9
projectTab.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–29, 3, 30–39, 4, 40–49, 5, 50–59, 6, 60–66, 7–9
utils.js	57.45%	33.33%	50%	59.52%	10–14, 17–26, 6–9
src/components
AdminSettings.vue	99.35%	95.56%	86.67%	100%	1, 1
OAuthConnectButton.vue	99.08%	80%	100%	100%	1
PersonalSettings.vue	98.09%	71.43%	50%	99.50%	1, 1, 1
src/components/admin
FieldValue.vue	95.56%	62.50%	100%	98.77%	1, 1, 1, 1
FormHeading.vue	98.98%	75%	100%	100%	1
TextInput.vue	98.35%	75%	85.71%	100%	1, 1, 1
src/components/icons
ClippyIcon.vue	93.18%	50%	50%	97.50%	1, 1
src/components/settings
SettingsTitle.vue	95.56%	50%	100%	97.62%	1, 1
src/components/tab
EmptyContent.vue	99.34%	90.91%	100%	100%	1
SearchInput.vue	99.59%	83.33%	100%	100%	1
WorkPackage.vue	99.01%	33.33%	100%	99.66%	1, 1, 1
src/utils
workpackageHelper.js	97.46%	96%	100%	97.75%	17–19
src/views
Dashboard.vue	0%	0%	0%	0%	1, 1, 10, 100–109, 11, 110–119, 12, 120–129, 13, 130–139, 14, 140–149, 15, 150–159, 16, 160–169, 17, 170–179, 18, 180–189, 19, 190–199, 2, 20, 200–209, 21, 210–219, 22, 220–225, 23–29, 3, 30–39, 4, 40–49, 5, 50–59, 6, 60–69, 7, 70–79, 8, 80–89, 9, 90–99
ProjectsTab.vue	99.74%	92.31%	100%	100%	23

[github-actions]

PHP Code Coverage

Coverage after merging subfolder into master will be

62.27%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
lib/AppInfo
Application.php	24%	100%	25%	23.81%	59–60, 63, 70, 74–77, 79–84, 95, 99
lib/BackgroundJob
CheckNotifications.php	0%	100%	0%	0%	48, 50, 52–53, 61–62
lib/Controller
ConfigController.php	78.99%	100%	66.67%	79.84%	112–113, 115, 117–119, 121, 127–128, 130, 300–303, 305–306, 309, 317–321, 343–345, 94
DirectDownloadController.php	0%	100%	0%	0%	36–38, 53–55, 57, 60–61
FilesController.php	68.83%	100%	100%	66.67%	180–181, 226, 232–236, 240–241, 244, 246, 257–259, 262–263, 265–266, 270–273, 276
OpenProjectAPIController.php	86.86%	100%	84.62%	87.10%	124, 159, 176–177, 181, 185, 187–192, 194, 213, 238, 83
lib/Dashboard
OpenProjectWidget.php	0%	100%	0%	0%	101, 103–105, 112, 119–120, 122, 124–125, 127–128, 130, 133–134, 136–137, 139, 69–73, 80, 87, 94
lib/Exception
OpenprojectErrorException.php	100%	100%	100%	100%
OpenprojectResponseException.php	100%	100%	100%	100%
lib/Listener
LoadSidebarScript.php	0%	100%	0%	0%	100–101, 103–104, 65–70, 72–73, 75–76, 78–79, 85–86, 88, 90, 92–94, 96, 98
lib/Notification
Notifier.php	0%	100%	0%	0%	100–104, 109–110, 112, 114, 47–50, 60, 69, 80, 82, 85, 87–92, 95, 97
lib/Search
OpenProjectSearchProvider.php	0%	100%	0%	0%	102, 109–110, 113–116, 118–119, 123–125, 127–128, 130–132, 135–136, 138–139, 143–144, 146–148, 154–155, 157, 166, 174–180, 189–194, 203, 71–75, 82, 89, 97, 99
OpenProjectSearchResultEntry.php	100%	100%	100%	100%
lib/Service
DirectDownloadService.php	88%	100%	100%	86.96%	65–66, 68
OauthService.php	0%	100%	0%	0%	101–105, 115–118, 42–44, 53–59, 61, 70–73, 84–91
OpenProjectAPIService.php	88.07%	100%	92%	87.69%	173–177, 206–210, 364–365, 367, 379, 387, 391, 412, 490–491, 498, 501–504, 506, 512, 516–518, 690, 736, 767
lib/Settings
Admin.php	0%	100%	0%	0%	32–34, 41–43, 46–50, 53, 60, 62–63, 65, 69, 73
AdminSection.php	0%	100%	0%	0%	19–20, 29, 39, 48, 55
Personal.php	86.67%	100%	50%	92.31%	83, 87
PersonalSection.php	0%	100%	0%	0%	19–20, 29, 39, 48, 55